SPYM vs. SWPPX

Last updated Apr 2, 2026

Compare and contrast key facts about State Street SPDR Portfolio S&P 500 ETF (SPYM) and Schwab S&P 500 Index Fund (SWPPX).

SPYM is a passively managed fund by State Street that tracks the performance of the S&P 500 Index. It was launched on Nov 8, 2005. SWPPX is a passively managed fund by Charles Schwab that tracks the performance of the S&P 500 Index. It was launched on May 19, 1997. Both SPYM and SWPPX are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

Performance

SPYM vs. SWPPX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in State Street SPDR Portfolio S&P 500 ETF (SPYM) and Schwab S&P 500 Index Fund (SWPPX). The values are adjusted to include any dividend payments, if applicable.

SPYM vs. SWPPX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SPYM State Street SPDR Portfolio S&P 500 ETF	-3.63%	17.79%	25.00%	26.24%	-18.09%	28.78%	18.49%	31.99%	-4.78%	21.30%
SWPPX Schwab S&P 500 Index Fund	-4.39%	17.87%	24.96%	26.26%	-18.14%	28.67%	18.38%	31.46%	-4.47%	21.81%

Returns By Period

In the year-to-date period, SPYM achieves a -3.63% return, which is significantly higher than SWPPX's -4.39% return. Both investments have delivered pretty close results over the past 10 years, with SPYM having a 14.21% annualized return and SWPPX not far behind at 14.04%.

SPYM

• 1D: 0.76%
• 1M: -4.28%
• YTD: -3.63%
• 6M: -1.39%
• 1Y: 18.21%
• 3Y*: 18.57%
• 5Y*: 11.94%
• 10Y*: 14.21%

SWPPX

• 1D: 2.88%
• 1M: -5.04%
• YTD: -4.39%
• 6M: -2.17%
• 1Y: 17.28%
• 3Y*: 18.27%
• 5Y*: 11.76%
• 10Y*: 14.04%

*Multi-year figures are annualized to reflect compound growth (CAGR)

SPYM vs. SWPPX - Expense Ratio Comparison

Both SPYM and SWPPX have an expense ratio of 0.02%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.

SPYM

State Street SPDR Portfolio S&P 500 ETF

SWPPX

Schwab S&P 500 Index Fund

Return for Risk

SPYM vs. SWPPX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

SPYM

SPYM Risk / Return Rank: 60
SPYM Sharpe Ratio Rank: 54
SPYM Sortino Ratio Rank: 57
SPYM Omega Ratio Rank: 61
SPYM Calmar Ratio Rank: 59
SPYM Martin Ratio Rank: 69

SWPPX

SWPPX Risk / Return Rank: 59
SWPPX Sharpe Ratio Rank: 48
SWPPX Sortino Ratio Rank: 53
SWPPX Omega Ratio Rank: 56
SWPPX Calmar Ratio Rank: 64
SWPPX Martin Ratio Rank: 76

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

SPYM vs. SWPPX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for State Street SPDR Portfolio S&P 500 ETF (SPYM) and Schwab S&P 500 Index Fund (SWPPX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	SPYM	SWPPX	Difference
Sharpe ratio Return per unit of total volatility	1.00	0.97	+0.03
Sortino ratio Return per unit of downside risk	1.53	1.49	+0.04
Omega ratio Gain probability vs. loss probability	1.23	1.23	+0.01
Calmar ratio Return relative to maximum drawdown	1.55	1.52	+0.03
Martin ratio Return relative to average drawdown	7.32	7.29	+0.03
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SPYM vs. SWPPX - Sharpe Ratio Comparison

The current SPYM Sharpe Ratio is 1.00, which is comparable to the SWPPX Sharpe Ratio of 0.97. The chart below compares the historical Sharpe Ratios of SPYM and SWPPX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	SPYM	SWPPX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.00	0.97	+0.03
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.71	0.70	+0.02
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.79	0.77	+0.02
Sharpe Ratio (All Time) Calculated using the full available price history	0.58	0.48	+0.09

Correlation

The correlation between SPYM and SWPPX is 0.86, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

SPYM vs. SWPPX - Dividend Comparison

SPYM's dividend yield for the trailing twelve months is around 1.15%, which matches SWPPX's 1.16% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SPYM State Street SPDR Portfolio S&P 500 ETF	1.15%	1.13%	1.28%	1.44%	1.69%	1.25%	1.54%	1.79%	2.23%	1.75%	1.97%	1.98%
SWPPX Schwab S&P 500 Index Fund	1.16%	1.11%	1.23%	1.43%	1.67%	1.27%	1.81%	1.95%	2.67%	1.79%	2.55%	3.17%

Drawdowns

SPYM vs. SWPPX - Drawdown Comparison

The maximum SPYM drawdown since its inception was -54.46%, roughly equal to the maximum SWPPX drawdown of -55.06%. Use the drawdown chart below to compare losses from any high point for SPYM and SWPPX.

Drawdown Indicators

	SPYM	SWPPX	Difference
Max Drawdown Largest peak-to-trough decline	-54.46%	-55.06%	+0.60%
Max Drawdown (1Y) Largest decline over 1 year	-12.02%	-12.10%	+0.08%
Max Drawdown (5Y) Largest decline over 5 years	-24.48%	-24.51%	+0.03%
Max Drawdown (10Y) Largest decline over 10 years	-33.87%	-33.80%	-0.07%
Current Drawdown Current decline from peak	-5.54%	-6.26%	+0.72%
Average Drawdown Average peak-to-trough decline	-7.21%	-10.00%	+2.79%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.55%	2.52%	+0.03%

Volatility

SPYM vs. SWPPX - Volatility Comparison

State Street SPDR Portfolio S&P 500 ETF (SPYM) and Schwab S&P 500 Index Fund (SWPPX) have volatilities of 5.33% and 5.36%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SPYM	SWPPX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.33%	5.36%	-0.03%
Volatility (6M) Calculated over the trailing 6-month period	9.48%	9.55%	-0.07%
Volatility (1Y) Calculated over the trailing 1-year period	18.25%	18.32%	-0.07%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.81%	16.94%	-0.13%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.99%	18.21%	-0.22%